Type VT-VSPA1-1 Type VT-VSPA1K-1

Proportional amplifier

Suitable for controlling all direct and pilot operated
proportional pressure control valves without electrical
position feedback and only one solenoid as actuator that
are available at the time of publication of this data sheet

Differential input, can be switched between voltage
and current input

Additional command value input, 0 to +9V

Ramp generator, can be adjusted separately for up
and down ramps

Signal "ready for operation"
( VT-VSPA1K-1 only with LED indicator lamp )